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Difference between FUNCTION and METHOD

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__FUNCTION__ returns only the name of the function whereas __METHOD__ returns the name of the class along with the name of the function: 

<?php

class trick
{
    public function doit()
    {
        echo __FUNCTION__;
    }

    public function doitagain()
    {
        echo __METHOD__;
    }
}

$obj = new trick();
$obj->doit(); // Outputs: doit
$obj->doitagain();  // Outputs: trick::doitagain
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Magic constants:
* Magic Constants
* Difference between FUNCTION and METHOD
* Difference between CLASS get class and get called class
* File Directory Constants
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